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| 1 | 肺恶性病变不用表观系数定量扩散加权成像的高敏感性高特异性诊断显示文摘目的对照研究高b值扩散加权(DW)MRI表观扩散系数(ADC)与病灶-脊髓信号强度比(LSR)对肺癌与良性病变鉴别。材料与方法本研究经学术审核委员会批准.所有病人都签署了知情同意书。前瞻性复习28例(女6例,男22例;平均年龄64.2岁)胸部CT发现肺结节病人的影像。通过测量病灶与脊髓的信号强度半定量分析2种不同运动探测梯度强度(bh=1000s/mm2与b1=0s/mm2)的DWI。 | T.Uto Y.Takehara Y.Nakamura T.Naito D.Hashimoto N.Inui 王鹤 | 2009 | 国际医学放射学杂志2009,32,5: | 55 |
| 2 | The Finite Beta Effects on the Toroidal Field Ripple in a Tokamak Plasma显示文摘The efficiency of energetic ion confinement is reduced in a tokamak plasma by the non-axisymmetric field, namely the ripple field. The ripple field is produced by a finite number of toroidal field coils. It is affected by the non-axisymmetric finite beta effect. The three-dimensional MHD equilibrium calculation code VMEC is used to analyze the non-axisymmetric finite beta effect in a ripple tokamak. In the VMEC code, the flux coordinates are used, so the calculation region is limited to the area of plasma. To calculate the orbit outside the plasma, we develop a field calculation code, which is based on the Biot-Savart law. The details of the method and results are described in this paper. | M.BUNNO Y.NAKAMURA Y.SUZUKI K.SHINOHARA G.MATSUNAGA K.TANI | 2013 | Plasma Science and Technology2013,15,2: | 1 |
| 3 | Coherent control of macroscopic quantum states in a single-Cooper-pair box显示文摘 | Y.Nakamura Yu.A.Pashkin J.S.Tsai | | 0,,29: | 1 |
| 4 | 高频振型的CQC振型组合规则显示文摘一、前言 结构地震分析的CQC振型组合规则,即完全二次振型组合规则得到了研究和专业技术人员的广泛重视,它已经在许多标准计算机程序中实现,并为SEAOC,API和其它规范推荐用于具有密集空间振型的结构反应计算。这个组合规则的成功在于它计算精确,简单、实用,它是在明确的假设和近似条件下,从随机振动的基本原理导得的。 在推导原来的CQC规则中,一个重要的假定是输入激励必须具有宽频带。 | A.D.Kiureghian Y.Nakamura 纪万斌 | 1994 | 世界地震工程1994,10,2: | 1 |
| 5 | Di(2-ethylhexyl) phthalate contamination of retail packed lunches caused by PVC gloves used in the preparation of foods显示文摘 | Y.Tsumura S.Ishimitsu A.Kaihara K.Yoshii Y.Nakamura Y.Tonoqai | | 0,,06: | 1 |
| 6 | Plasma Confinement Characteristics in Heliotron J——Spontaneous Change of Plasma Confinement State显示文摘Spontaneous transition of the plasma confinement mode was observed in the helicalaxis heliotron device 'Heliotron J' for three different plasma heating schemes, i.e. ECHonly, NBI-only and the combination of ECH and NBI. The transition seems to occur above a certain critical density. In addition to the confinement transition, a spontaneous shift of the hitting position of the divertor plasma flux on the wall was observed. This shift could be related with the change of the edge field topology caused by non-inductive toroidal currents. | T.Mizuuchi H.Okada K.Nagasaki S.Kobayashi S.Yamamoto F.Sano K.Kondo K.Hanatani M.Nakasuga Y.Nakamura Y.Suzuki Y.Manabe H.Shidara H.Kawazome M.Kaneko Y.Nishioka Y.Ohno T.Takamiya H.Yukimoto Y.Fukagawa Y.Morita S.Nakazawa S.Nishio K.Takahashi S.Tuboi M.Yamada K.Ohashi Y.Ijiri T.Senju K.Yaguchi K.Sakamoto K.Tohshi M.Shibano T.Obiki | 2004 | Plasma Science and Technology2004,6,4: | 1 |
| 7 | Testing candidate loci on chromosomes 1 and 6 for genetic linkage to Peutz‐Jeghers’ disease显示文摘 | I. P. M.TOMLINSON S.OLSCHWANG D.ABELOVITCH Y.NAKAMURA W. F.BODMER G.THOMAS D.MARKIE | 2007 | Annals of Human Genetics2007,,5: | 1 |
| 8 | Observation of Edge Plasma Fluctuations with a Fast Camera in Heliotron J显示文摘A fast video camera is verified to be a powerful tool for observation of filaments/blobs near the last closed flux surface (LCFS).In order to extract the fluctuation component from the raw data of the fast camera,a pre-processing technique,sliding time window averaging subtraction (STWAS) has been developed to remove the background of slowly varying emission from the bulk plasma.By using this pre-processing technique,the fast camera data are analyzed.A method to identify the filaments in the pre-processed image is also discussed. | 臧临阁 M.TAKEUCHI N.NISHINO T.MIZUUCHI S.OHSHIMA K.KASAJIMA M.SHA K.MUKAI H.Y.LEE K.NAGASAKI H.OKADA T.MINAMI S.KOBAYASHI S.YAMAMOTO K.HANATANI Y.NAKAMURA S.KONOSHIMA F.SANO | 2013 | Plasma Science and Technology2013,15,3: | 0 |
| 9 | 三菱长行程S6U2型柴油机的开发显示文摘三菱重工有限公司新开发的S6U26缸直列式柴油机是缸径为240mm的SU系列发动机中的长行程变型机。该机的行程为300mm,而现有SU系列发动机的行程为260mm。本文介绍目前已经投入正常生产的S6U2型发动机的结构特点以及在开发阶段中所作的研究。在性能方面,文章着重说明了通过优化进、排气门定时和改善涡轮增压器性能降低燃油消耗以及通过改进燃油喷射系统减少NO_x排放。在可靠性方面,文章介绍了对曲轴采用三维有限元模型进行的计算和在实际运行工况下进行的应力测量,同时还简述了对机体进行应力测量所得的结果。 | Y.Nakamura 于长贵 | 1993 | 国外内燃机车1993,,7: | 0 |